Educational appliance



- April, 3, 1928.

G. F. YESSLER Enucmorm.l APPLIANCE 2 sheets-sneer 1 Filed OCT.. 15, 1926 WTV,

MHA

.jvapflllld INVENTOR G. FRED YESSE/P BY Zay@ W f/L W ATTORNEY y April 3, 192s.

G. F. YEssLl-:R

EDUCATIONAL APPLIANGE Filed Oct. 15. 1926 2 Sheets-Sheet 2 INVENTOR G. FRED V555/ ER Zay@ @4712 Patented Apr. 3, 1928.

UNITED STATES PA'I'ENTl OFFICE.

e. Fnnn YnssLERy .0F PORT CHESTER, NEW Yon-K, Assioma, BY M'nsNn ASSIGNMENTS, To KNAPP nLncTnio CORPORATION, or roar oHnsTEn, Newk YORK, A CORPORA- TIQN 0F NEW YORK.

. EDUCATIONAL APPLIANCE.

Application filed October `15, 1926. Serial No. 141,744.

This invention relates to an improved educational appliance.

Ylt is an object of the invention to provide a vdevice .of Ithis character which may be readily ,constructed and placed upon' the market at a nominal ligure and will withstand a. great amount of usage.

Other objects of the invention will in part be obvious and will in part ,appear'hereinafter. v l

The invention accordingly comprises the features lof construction, combination of elements and arrangement of parts which will be exemplified in the construction hereinafter set forth, and the scope of the application of which will be indicated in the claims.

For a fuller understanding of the nature and objects of the invention reference should he had to the following detaileddescription taken in connection with the accompanying drawings, `in whichz.

Figure 1 is a face view of an appliance embodying the construction of the present 1nvention, parts thereof being broken away to disclose vunderlying construction;

Fig. 2 is A,a fragmentary face view o f the appliance showing a different card associated therewith; and

Fig. '3 is a transverse sectional view taken along the :lines 3-3 and in the direction of the arrows of Fig. 1.

'In these views the numeral 5 indicates a frame, within which a backing sheet 6 is fixedly secured, a face card 7 'being positioned in advance'of the sheet.

1n the present instance the frame retains the card in that this frame is provided with groves 8 in vits inner edges, the card being of sufficient size .to extend into these grooves; it `being noted, however, that the width of the card is such .that it may be shifted to a slight extent transversely within the frame, this motion 'being limited by the inner edges of the frame members. It will 'furthermore be observed that one of the end members of the frame is formed with a slot 9 through which the card 7 may b e removed so that a different card may be'disposed over the `backing' sheet and within the frame.

AIn the embodiment Of the invention as illustrated in Fig. 1, the card 7 bears representations vof various types of ymale and `female birds, and adjacent Y each of these representations the card is formed with a Window or sight opening 10; and the backing sheet has printed thereon numbers .or other reference characters 11. The characters upon thebacking sheet are in duplicate and are so arranged that one set thereof will appear throughfthe windows or sight openings 10jof the card when the latter is 1n one position;r the second set thereof being covered by the card. When the latter is shifted, however, the first set will be Covered, and the second set will appear through the sight openings.

Als afore'stated,the representations upon the kcard are the male and female of different types of birds, and these representations, as well as the openings adjacent thereof, are so disposed upon the card face that, lfor eX- ample, all males will be identified by the different characters '11 of one set appearing upon the *backing sheet, while the corro-v sponding ina-tes will be identified by similar characteristics when the card is' shifted. Furthermore, it 'is preferred that an interesting description of each bird family repreu sented upon the card be preparedin synopsis form and printed along the marginsof the card, as has been indicated at l2 and 12'; this description, in each instance, being identified or designated by a symbol similar to the character identifying'tlie male and female birds.

in using an appliance of this character, and after the card 7 has been placed in the position shown in Fig. l, the person operating vthe same may view the various representations and n'ot'e the character or numeral designating (in the present exemplification) the male of the specie. Thereafter the user will endeavor Vto locate the males mate; and by simply shifting the card with respect to the backing sheet the second set of characters will appear through the sight openings of the card so that the ,user may locate definitely the `mate bird and determine the extend of his knowledge on this subject.` Due to the fact that, as aforestated, one set of characters is visible through the proper'openings when the card is'in one position, and the second set of characters does not become visible until 'the card Ais shifted to its other position-the -first set lbeing covered incident to such shiftingit is obvious lthat the use of the appliance Ymay bereversed inthat by ini-` A tiallyhaving the card 7 in its `uppermost vposition the set of characters identifying the for example, as has been shown in Fig. 2, a-

card may be utilized showing various types of peoples and their native abodes; specifically, an Eskimo and an igloo, an Indian and a Wigwam, etc., care being taken that the relative positions of the abode and the person typical of the peoples who inhabit the same correspond to the 'positions of the bird mates and that the sight openings orv windows of the card are in such positions that one set of the reference characters upon the backing sheet will designate the various types of persons appearing upon the card when the latter is in one position;l while the abodes of these persons will be shown when the card is in the opposite position. Further cards may be supplied, for example, a cardshowing persons clothed in dress typical of the lands of which they are natives and the flags of such lands. A further card might show maps of certain countries and the methods of transportation typical of such countries, it being understood that in each instance the card preferably will bear in synopsis form an interesting description or date informative of the related subjects under consideration. Furthermore, in each instance the windows in each card and the matter represented thereon will be so positioned that proper registry will be had with the sets of designating characters on the backing sheet.

From the foregoing it will be understood that the contest is caused by the shifting of a card with respect to the backing sheet, and in the illustrated embodiment of the invention this shifting is from the position shown in Fig. 3 to apoint at which the upper edge of the card rests within the base of the upper groove formed in the undercut frame, the lower edge of the card in this latter position being substantially in line with the inner edge of the lower frame member.

Finally, it will be appreciated that while in the foregoing description the symbols have been numerals, any desired ident-ification might be employed, for example, descriptive phrases might be presented on the face ofthe backing sheet and the windows or'sight openings of the card might be enlarged vto an extent sufficient to frame each .descriptive phrase, as has been indicated at 13 in Fig. 2. In such instance the backing sheetA would be capable of employment only in connection with ja single` card. -However,

if a set of cards were in such an instance to be employed in connection with a vsingle backing sheet, it is'obvious that by having the windows or sight openings of eachy individual card in different relative positions Vwith respect to the corresponding openings of another card of the set, and by having the identifications on the backing sheet divided into pairs of sets corresponding in number to the number o 'tcards employed, the same drawings shall be interpreted as illustrative and not in a limiting sense. j

It is also to be understood thatthe following claims are intended to Coverall of the generic and specific features of the inventionV herein described, and all statements of theY scope of the invention which as a matter: of language might be saidvto fall therebetween.

Having described my invention, what I claim as new and desirevto secure by Letters Patent is:

l. An educational appliance,including a. frame member, a card and a relatively movable backing sheet adaptedto be associatedV with said frame, sets of symbols upon said sheet and sets of representations upon said card, the latter being formed with .sets of openings through which the symbols are visible to identify said representations, one set of symbols being visible when the cardvis in one position, a second setof symbols being visible through a second yset of openings when the card 4is in another position upon said sheet. j y

2. An educational appliance,including a relatively movable backing sheet and card,

setsof related `representations upon said card, the latter being formed with' an ,opening adjacent each representation, and sets of identifying symbols upon said backing sheet; corresponding symbols identifying related i'epresentations in the sets, onel set of 'such symbols being visible through said openings when said card is in Vone position and being rcovered When the card is in a different position, a second set of symbols being visible through an Vopening lset when the card is insuch latter position.

3. An educationalappliance, including a relatively movable backing sheet and card, sets of related representations ufpon ,said card, the flatter being formedwith an openfing adjacent eachv representation, sets of identifying symbols upon said backing sheet; corresponding symbols identifying related representations in the sets, one set of such symbols being visible through said openings When said card is in one position and being covered when the card is in a different position, a second set of symbols beingvisible through an opening set when the card is in such latter position, and a synopsis carried by said card and informative of the representations thereon, each synopsis being identified by a symbol corresponding to the symbol identifying the related representations.

4. An educational appliance, including a frame, a backing sheet fiXedly secured thereto, a card positioned in advance of said sheet and movable within said frame, sets of related representations upon said card, the latter being formed with an opening adjacent each representation, and sets of identifying symbols upon said backing sheet; corresponding symbols identifying related representations in the sets, one set of Such symbols being visible through said openings when said card is in one position and being covered when the card is in a ditlerent position, a second set of symbols being Visible through an opening set when the card is in such latter position.

5. An educational appliance, including a frame, a backing sheet iiXedly secured thereto, a card positioned in advance of said sheet and movable within said frame, said card being removable from said frame, means forming a= part of the latter for normally retaining the card against removal, sets of related representations upon said card, the latter being formed with an opening adjacent each representation, and sets of identifying symbols upon said backing sheet; corresponding symbols identifying related representations in the sets, one set of such symbols being visible through said openings when said card is in one position and being covered when the card is in a different position, `a second set of symbols being visible through an opening set when the card is in such latter position.

6. In combination, a backing sheet, a set Y sentations and openings adj aeent thereto, the

openings in each card being in the same relative positions as the openings of another card whereby any one of said cards may be placed upon the backing sheet and moved with respect thereto to display the symbols through said openings.

7. In combination, a backing sheet, a plurality of cards each having two sets of related representations and openings adjacent thereto, the openings in each card being in the same relative position as the openings of the other cards, and two sets of identifying symbols displayed upon said sheet and occupying such positions thereon that any one of said cards may be placed upon said backing sheet with one set of symbols visible through one set of openings in the card, said symbol set being covered when the card is shifted; the second set of symbols being visible through the second opening set when the card is in such latter position.

In testimony whereof I aHiX my signature.

G. F. YESSLER. 

